Not after Blackwater. Bronn left Tyrion after Joffreys murder amid possibility that Bronn will fight for Tyrion in trial by conbat. Cersei bought him and intimidate him with the Mountain. Bronn had no choice. He and Tyrion left on good term tho. Tyrion understood their situations.

It is common Sanskrit/Old Javanese word used in personal name of girls among ethnic Javanese, Balinese, Sundanese, Madurese and maybe Malay too.

The word means "essence" in common usage in Indonesia, altough perhaps its original Sanskrit meaning is different. It is used in girls' personal names like "Ratna Sari", or "Puspita Sari", "essence of jewel/flower".

Neither Javanese, Balinese, Sundanese, Madurese or Malay have family name system.

Some smaller ethnic groups do have the system such as Batak (ex: Siregar, Nasution), Minahasan (Kandow, Mokoginta), Moluccans (Latuconsina, Salampessy) or Papuans (Wanggai, Mainolo)